Home / 12,100.94-16,697.44-6,722.90

Finding the Fourth Proportional to 12,100.94, 16,697.44 and 6,722.90

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Solution

The fourth proportional to 12,100.94, 16,697.44 and 6,722.90 is: 9,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.94 : 16,697.44 = 6,722.90 : x
  2. Step 2: Convert to fraction form
    12,100.94/16,697.44 = 6,722.90/x
  3. Step 3: Cross multiply
    12,100.94x = 16,697.44 × 6,722.90
  4. Step 4: Simplify right side
    12,100.94x = 112,255,206.91
  5. Step 5: Solve for x
    x = 112,255,206.91/12,100.94
  6. Step 6: Final answer
    x = 9,276.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.